<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>07-第七题</title>
</head>
<body>
<script>
    function nine(){
        for (var i=1;i<=9;i++){
            for (var j=1;j<=i;j++){
                document.write(j+"*"+i +"="+ j*i +" ");
            }
            document.write("<br>")
        }
    }
    nine()
</script>
</body>
</html>